Một con tàu của hợp tác xã thủy sản đánh bắt được 7 tấn 224kg cá gồm cá chim, cá đuối và cá thu. Khối lượng cá thu gấp đôi khối lượng cá chim và cá đuối, khối lượng cá đuối bằng 3/4 khối lượng cá chim. Tính khối lượng mỗi loài cá. Cá thu: .....kg Cá đuối: ...kg Cá chim: ...kg nhanh nhé

Các bạn ơi giúp mình bài tập văn này với (mình cảm ơn rất nhiều ạ) Mình rất cần sự giúp đỡ của các bạn

----> I’ll......................................................................................................... 17. I didn’t have an umbrella with me and so I got wet. ----> I wouldn’t.............................................................................................. 18. I’ll call the police if you don’t leave me alone. ----> Unless...................................................................................................... 19. In the snowy weather we don’t go to school. ----> If.............................................................................................................. LỚP 5 - ONLINE (Ngày 10/4/2020) Loại 1. TL: IF + HTĐ ; TLĐ (S + will (not) + V) ; mệnh lệnh (Don't) + V ; S + can/ may/ shall (not)+ V Loại 2. HT: IF + QKĐ ; S + would/ could/ might (not) + V + Put the verbs in brackets into the correct tenses. 1 If you (find) a skeleton in the cellar, don't mention it to anyone. => find 2 If you pass your examination we (have) a celebration. => will have 3 What (happen) if I press this button? => will happen 5 If you go to Paris where you (stay)? => will you stay 6 If someone offered to buy you one of those rings, which you (choose)? => would you choose…? 7 The flight may be cancelled if the fog (get) thick. =>. gets 8 If the milkman (come), tell him to leave two pints. => comes 9 Someone (sit) on your glasses if you leave them there. => will sit 10 You would play better bridge if you (not talk) so much. => didn't talk 11 What I (do) if I hear the burglar alarm? => will I do 13 I could repair the roof myself if I (have) a long ladder.=> had 14 Unless they turn that radio off I (go) mad. 15 If you were made redundant what you (do)? 16 We'll have a long way to walk if we (run) out of petrol here. 17 If you shake that bottle of port it (not be) fit to drink. 18 I'll probably get lost unless he (come) with me. 19 You (not have) so many accidents if you drove more slowly. Exercise 3: Rewrite these sentences so that the meaning stays the same. B1: nhìn xem đề bài đang viết thì nào : TL => viết lại bằng câu đk loại 1 HT => viết lại bằng câu đk loại 2 B2: Xác định S, V ở 2 vế B3: Viết theo công thức câu 2. HT: IF/ Unless + QKĐ (S + were/ Vqk/ didn't + V) ; S2 + would/ could/ might (not) + V2 nguyên Unless = if…. Not 1. I don’t buy it because I don’t have enough money. (đk2) - đề bài + -> - S2 V2 S1 V1 ----> If I had enough money, I would buy it. 4. I’m busy right now, so I can’t help you. ----> I could help you if I we were not busy right now 5. He’s very thin, that’s why he feels the cold so much. (đk 2) ----> If he were not very thin, he would not feel the cold so much. 7. If John had played for our football team, we would not have lost the game. ----> Unless John had played for our football team, we would have lost the game. 8. If I won a big prize in a lottery, I’d give up my job. ----> Unless I won a big prize in a lottery, I’d not give up my job. 9. If you don’t like this one, I’ll bring you another. - --> Unless you like this one, I’ll bring you another. 10. I’ll only help you if you promise to try harder. ----> Unless you promise to try harder. I’ll not only help you 15.You must work harder or you won’t pass the exam. ----> You won’t.............................................................................................. 16. She must apologize to me or I’ll never speak to her again. ----> I’ll......................................................................................................... 17. I didn’t have an umbrella with me and so I got wet. ----> I wouldn’t.............................................................................................. 18. I’ll call the police if you don’t leave me alone. ----> Unless...................................................................................................... 19. In the snowy weather we don’t go to school. ----> If..............................................................................................................

giúp mình với ạ mình đang cần gấp ạ

Giải nhanh chị tiết hộ mình giải thích. Tự làm nhé

Cho tia SI chiếu đến 1 gương phẳng Với S là điểm sáng và I là điểm tới: a Vẽ ảnh S' của điểm sáng S ( ghi cách vẽ ) b Vẽ tia phản xạ IR ( ghi cách vẽ ) c Biết góc tới là i=50độ. Tính góc tạo bởi tia tới SI và tia phản xạ IR d Cho SI=S'I, chứng tỏ đường truyền của tia sáng S-I-R là ngắn

(1/3)^x=1/27 Dấu / là phân số còn dấu ^ là mũ nha Giúp mình với, mình quên cách làm mất rồi

Text 2. Read then answer the questions Paper and paper products can be easily recycled. Cardboard, newspaper, and high-quality papers can all be recycled. Different kinds of paper - like newsprint and high-quality white paper - are sorted into separate piles because they are processed differently. Paper is recycled by shredding it into small pieces and mixing it with water. The mixture is beaten into mush, called pulp, that flows onto a moving screen where most of the water is taken out. Wood or paper fibers remain and the fiber is pressed through rollers that squeeze out more water. It is then dried in a steam 1- Is recycling on paper and paper products difficult?  ………………………………………………………………….. 2- What does the word ‘they’ in line 3 refer to??  ………………………………………………………………….. 3- What do they do to recycle paper first?  ……………………………………………………………………….. 4- What do they do with wood or paper fibers?  ………………………………………………………………………. *giúp mik vs,mik vote cho

Giải giúp mk bài 4 với ạ mk cảm ơn

Tìm x thuộc Z biết X mũ 2 = 256 mọi người giúp e với